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Rogue security software is a form of computer malware that deceives or misleads users into paying for the fake or simulated removal of malware. Rogue security software, in recent years, has become a growing and serious security threat in desktop computing.
Propagation
Rogue security software mainly relies on social engineering in order to defeat the security built into modern operating system and browser software and install itself onto victims' computers.[1]
Most have a Trojan horse component, to which users are misled into installing. The Trojan may be disguised as:
* A browser plug-in or extension
* An image, screensaver or archive file attached to an e-mail message
* Multimedia codec required to play a certain video clip
* Software shared on peer-to-peer networks[2]
* A free online malware scanning service[3]
Some rogue security software, however, propagate onto users computers as drive-by downloads which exploit security vulnerabilities in web browsers or e-mail clients to install themselves without any manual interaction.
Source
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